Because there were a few stains and scratches on the aluminum spinner of my recently acquired airplane I decided it could use some polishing. I found few references, the most useful of which was a nine year old thread on RCU: How to polish an aluminum spinner?

For the first round I tried a product mentioned in the thread: Flitz. The tube was $12.99 at my local Home Hardware, but it doesn't take much.



I figured I would polish it until the black oxidization stopped coming off. Half a roll of paper towel and 45 minutes later:



Okay, so apparently you can't get all of the oxidation off. Another entry mentioned the instructions on the Tru Turn website. I post the instructions with a caveat: If you care about good writing like I do, this is going to be like nails on a blackboard: #29 Do you Polish Spinners?

I got some wet/dry sandpaper in 320, 400 and 600 grit and secured the backplate with some wire I had lying around.